diff --git a/backend/services/docker-compose.2.0.yml b/backend/services/docker-compose.2.0.yml
index 00082e53..c46778a4 100644
--- a/backend/services/docker-compose.2.0.yml
+++ b/backend/services/docker-compose.2.0.yml
@@ -44,6 +44,8 @@ services:
       # 推荐关系 (referral-service)
       CDC_TOPIC_REFERRALS: ${CDC_TOPIC_REFERRALS:-cdc.referral.public.referral_relationships}
       CDC_CONSUMER_GROUP: contribution-service-cdc-group
+      # JWT 配置 (与 auth-service 共享密钥以验证 token)
+      JWT_SECRET: ${JWT_SECRET:-your-jwt-secret-change-in-production}
     ports:
       - "3020:3020"
     healthcheck: